The only way to detect if program is running is checking the running process
by system command ps.
You can use this command on your c program by using the c command int
system(const char *string)
For script program i have no idea.
I hope this would be helpful for you
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<DIV> </DIV></DIV></html>
>From: Edwin Vollebregt <edwin.vollebregt_at_[hidden]>
>Reply-To: General LAM/MPI mailing list <lam_at_[hidden]>
>To: lam_at_[hidden]
>Subject: LAM: Detecting whether MPI is running
>Date: Wed, 24 Mar 2004 14:18:31 +0100
>
>
>Hello,
>
>Does anyone have suggestions for the following situation:
>
>We have parallelized a program with PVM in such a way that the same
>executable can be used for stand-alone sequential runs as well as for
>master-slave parallel runs. Now we are porting to MPI.
>
>The application is started by a shell script with option -npart
<xx>: number
>of parts to be used in the decomposition.
>
> if [ $npart -le 1 ]; then
> program.exe
> else
> mpiexec -machinefile ... -n 1 master.exe < config
> # --> master starts the appropriate number of instances of
program.exe
> fi
>
>The problem is that calling MPI_Init in a sequential run kills the
program
>because LAM has not been booted.
>
>How can we detect whether MPI is running within the program ?
>
>This problem is similar to "detecting mpirun" on the archive
of the
>mailinglist. It is a slightly different scenario than the ones I found
>there, so maybe there are different options.
>
>Any thoughts ?
>
>Thanks,
> Edwin
>--
>
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